1 files changed, 84 insertions, 0 deletions
diff --git a/.oh-my-zsh/plugins/git-prompt/gitstatus.py b/.oh-my-zsh/plugins/git-prompt/gitstatus.py
new file mode 100644
index 0000000..a4d07cd
--- /dev/null
+++ b/.oh-my-zsh/plugins/git-prompt/gitstatus.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python
+from __future__ import print_function
+
+import sys
+import re
+import shlex
+from subprocess import Popen, PIPE, check_output
+
+
+def get_tagname_or_hash():
+    """return tagname if exists else hash"""
+    cmd = 'git log -1 --format="%h%d"'
+    output = check_output(shlex.split(cmd)).decode('utf-8').strip()
+    hash_, tagname = None, None
+    # get hash
+    m = re.search('\(.*\)$', output)
+    if m:
+        hash_ = output[:m.start()-1]
+    # get tagname
+    m = re.search('tag: .*[,\)]', output)
+    if m:
+        tagname = 'tags/' + output[m.start()+len('tag: '): m.end()-1]
+
+    if tagname:
+        return tagname.replace(' ', '')
+    elif hash_:
+        return hash_
+    return None
+
+
+# `git status --porcelain --branch` can collect all information
+# branch, remote_branch, untracked, staged, changed, conflicts, ahead, behind
+po = Popen(['git', 'status', '--porcelain', '--branch'], stdout=PIPE, stderr=PIPE)
+stdout, sterr = po.communicate()
+if po.returncode != 0:
+    sys.exit(0)  # Not a git repository
+
+# collect git status information
+untracked, staged, changed, conflicts = [], [], [], []
+ahead, behind = 0, 0
+status = [(line[0], line[1], line[2:]) for line in stdout.decode('utf-8').splitlines()]
+for st in status:
+    if st[0] == '#' and st[1] == '#':
+        if re.search('Initial commit on', st[2]) or re.search('No commits yet on', st[2]):
+            branch = st[2].split(' ')[-1]
+        elif re.search('no branch', st[2]):  # detached status
+            branch = get_tagname_or_hash()
+        elif len(st[2].strip().split('...')) == 1:
+            branch = st[2].strip()
+        else:
+            # current and remote branch info
+            branch, rest = st[2].strip().split('...')
+            if len(rest.split(' ')) == 1:
+                # remote_branch = rest.split(' ')[0]
+                pass
+            else:
+                # ahead or behind
+                divergence = ' '.join(rest.split(' ')[1:])
+                divergence = divergence.lstrip('[').rstrip(']')
+                for div in divergence.split(', '):
+                    if 'ahead' in div:
+                        ahead = int(div[len('ahead '):].strip())
+                    elif 'behind' in div:
+                        behind = int(div[len('behind '):].strip())
+    elif st[0] == '?' and st[1] == '?':
+        untracked.append(st)
+    else:
+        if st[1] == 'M':
+            changed.append(st)
+        if st[0] == 'U':
+            conflicts.append(st)
+        elif st[0] != ' ':
+            staged.append(st)
+
+out = ' '.join([
+    branch,
+    str(ahead),
+    str(behind),
+    str(len(staged)),
+    str(len(conflicts)),
+    str(len(changed)),
+    str(len(untracked)),
+])
+print(out, end='')